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- The ventilation in mines is most important assurance for safety production, whereas the operating efficiency of fan ventilator is the decisive factor of ventilating system. 矿井通风是矿山安全生产的重要保证,而通风效果的好坏取决于矿井通风设备中的主扇装置。
- Regeneration production of ventilation fan. 换气扇的换代产品。
- There was dead air due to the lack of ventilation. 因为没有通风这里的空气不流通。
- Friction lowers the efficiency of a machine. 摩擦减低机器的效率。
- He asked about the efficiency of the new machine. 他问到新机器的效率。
- To destroy or hinder the efficiency of; frustrate. 使不起作用使无效或限制其效力的发挥；阻挠、挫败
- How to improve the efficiency of a meeting? 如何提高开会的效率?
- Decuple Efficiency of Learning II. 十倍速学习法2。
- Efficiency of the ATK Evaporative cooling ventilation system. ATK水濂蒸发式冷却通风系统的主要功能
- The removal efficiency of Am is greater than 99.9%. 对镅的反萃取也作了串级实验(六级反萃;流比BF:BX=1:1);镅的反萃率大于99.;9%25。
- The efficiency of the furnace more than doubled. 高炉的效率提高了一倍多。
- Increasing efficiency of fund utilization. 提高资金使用效益。
- To have the efficiency of the callisthenics shank. 具有健美腿部的功效.
- The workers complained about the factory's lack of ventilation. 工人们抱怨工厂缺乏通风设备。
- The reinforcing efficiency of fiber bundles or... 对此，在加固设计时应予以重视。
- Levering the efficiency of the . 弗宁效率的。NET线程池类， tcpiq线程池允许开发人员创建任何数目的工作线程（多于最多25个线程所允许的。
- Atheoretical efficiency of 26 percent is obtained. 导出了器件26%25的理论效率。
- In speed and efficiency of delivery we can't hold a candle to our European competitors. 在邮递速度和效率上我们比不上欧洲的竞争对手。
- Optimization Analysis of Ventilation and Dehumidification in Manned Spacecraft. 载人航天器通风除湿系统运行参数的优化分析。
- The CFD simulation is carry through to this novel type of ventilation. 本文对这种新型送风方式进行了CFD模拟计算。
